92 	struct snd_pcm_substream   *substream;  member
252 		snd_pcm_period_elapsed(chip->substream);  in cx8801_aud_irq()
421 static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)  in snd_cx88_pcm_open()  argument
423 	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);  in snd_cx88_pcm_open()
424 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx88_pcm_open()
437 	chip->substream = substream;  in snd_cx88_pcm_open()
457 static int snd_cx88_close(struct snd_pcm_substream *substream)  in snd_cx88_close()  argument
465 static int snd_cx88_hw_params(struct snd_pcm_substream * substream,  in snd_cx88_hw_params()  argument
468 	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);  in snd_cx88_hw_params()
473 	if (substream->runtime->dma_area) {  in snd_cx88_hw_params()
475 		substream->runtime->dma_area = NULL;  in snd_cx88_hw_params()
510 	substream->runtime->dma_area = chip->buf->vaddr;  in snd_cx88_hw_params()
511 	substream->runtime->dma_bytes = chip->dma_size;  in snd_cx88_hw_params()
512 	substream->runtime->dma_addr = 0;  in snd_cx88_hw_params()
523 static int snd_cx88_hw_free(struct snd_pcm_substream * substream)  in snd_cx88_hw_free()  argument
526 	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);  in snd_cx88_hw_free()
528 	if (substream->runtime->dma_area) {  in snd_cx88_hw_free()
530 		substream->runtime->dma_area = NULL;  in snd_cx88_hw_free()
539 static int snd_cx88_prepare(struct snd_pcm_substream *substream)  in snd_cx88_prepare()  argument
547 static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_cx88_card_trigger()  argument
549 	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);  in snd_cx88_card_trigger()
575 static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)  in snd_cx88_pointer()  argument
577 	snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);  in snd_cx88_pointer()
578 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx88_pointer()
592 static struct page *snd_cx88_page(struct snd_pcm_substream *substream,  in snd_cx88_page()  argument
595 	void *pageptr = substream->runtime->dma_area + offset;  in snd_cx88_page()